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php-coding
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Chenx221 2024-01-22 11:57:45 +08:00
parent c07e554646
commit f1107da3b5
13 changed files with 179 additions and 12 deletions
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2
.gitignore vendored
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@ -78,3 +78,5 @@ fabric.properties
.idea/caches/build_file_checksums.ser
/tmp/
/data/test_write
/upload/

57
13.test1.php
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@ -1 +1,58 @@
<?php
$readfile = readfile('data/read_test_file');
if (!$readfile)
echo '文件读取失败';
echo '<br>';
$file_array = file('data/read_test_file');
if (!$file_array) {
echo '文件读取失败';
return;
}
foreach ($file_array as $item)
echo $item . '<br>';
echo '<br>';
$file_get_contents = file_get_contents('data/read_test_file');
if ($file_get_contents === false) {
echo '文件读取失败';
return;
}
echo $file_get_contents;
echo '<br>';
$resource = fopen('data/fun.php', 'rb');
while (!feof($resource)) {
echo fgets($resource);
}
rewind($resource);
echo '<br>';
while (!feof($resource)) {
// echo fgetss($resource,,) // fgetss function is removed in php8
// echo strip_tags(fgets($resource));
echo htmlspecialchars(fgets($resource), ENT_QUOTES, 'UTF-8');
}
fclose($resource);
echo '<br>';
$resource1 = fopen('data/read_test_file', 'rb');
while (($char = fgetc($resource1)) !== false) {
echo $char;
}
rewind($resource1);
echo '<br>';
echo fread($resource1,30).'<br>'; //中文占3字节
echo fread($resource1,filesize('data/read_test_file'));
fclose($resource1);
echo '<br>';

11
13.test2.php
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@ -1 +1,12 @@
<?php
$filepath = 'data/test_write';
$str = '你好世界hello world<br>';
$resource = fopen($filepath, 'w+b') or die('文件不存在');
fwrite($resource, $str);
//rewind($resource);
//echo htmlspecialchars(fgets($resource));
fclose($resource);
readfile($filepath);
file_put_contents($filepath,$str);
readfile($filepath);

11
13.test3.php
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@ -1 +1,12 @@
<?php
$path = 'data';
if(is_dir($path)){
$resource = opendir($path) or die('目录打开失败');
// echo $resource;
$scandir = scandir($path);
foreach ($scandir as $item){
echo $item.'<br>';
}
}else{
echo '文件夹路径不存在';
}

8
13.test4.php
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@ -1 +1,9 @@
<?php
$resource = @opendir('ftp://chenx221:chenx221@dl.chenx221.cyou:21');
if ($resource === false) {
die('无法打开目录');
}
while (false !== ($entry = readdir($resource))) {
echo "$entry\n";
}
closedir($resource);

19
13.test5.php
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@ -1 +1,20 @@
<?php
$filename = "data/07.txt";
$total = filesize($filename);
if (is_file($filename)) {
echo "文件总字节数：" . $total . "<br>";
$fopen = fopen($filename, 'rb');
echo "初始指针位置是：" . ftell($fopen) . "<br>";
fseek($fopen, 30);
// 07.txt原先是UTF-8 with BOM编码，现在已经转换为UTF-8编码，故不需要33
echo "使用fseek()函数后指针位置：" . ftell($fopen) . "<br>";
echo "输出当前指针后面的内容：" . fgets($fopen) . "<br>";
if (feof($fopen))
echo "当前指针指向文件末尾：" . ftell($fopen) . "<br>";
rewind($fopen);
echo "使用rewind()函数后指针的位置：" . ftell($fopen) . "<br>";
echo "输出前31字节的内容：" . fgets($fopen, 31);
fclose($fopen);
} else {
echo "文件不存在";
}

7
13.test6.php
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@ -1 +1,8 @@
<?php
$filename = 'data/08.txt';
$fopen = fopen($filename, 'w');
flock($fopen,LOCK_EX);
fwrite($fopen,'hello world');
flock($fopen,LOCK_UN);
fclose($fopen);
readfile($filename);

22
13.work1.php
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@ -1 +1,21 @@
<?php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>test1</title>
</head>
<body>
你好，你是第<span><?php
$filename = 'data/counter.txt';
$fopen = fopen($filename, 'c+');
flock($fopen, LOCK_EX);
$counter = intval(trim(fgets($fopen)));
$counter++;
ftruncate($fopen, 0);
rewind($fopen);
fwrite($fopen, strval($counter));
flock($fopen, LOCK_UN);
fclose($fopen);
echo $counter;
?></span>位访客
</body>

2
data/07.txt
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@ -1 +1 @@
柔情似水　佳期如梦　忍顾鹊桥归路 两情若是久长时　又岂在朝朝暮暮
柔情似水　佳期如梦　忍顾鹊桥归路　两情若是久长时　又岂在朝朝暮暮

1
data/08.txt Normal file
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@ -0,0 +1 @@
hello world

1
data/counter.txt Normal file
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@ -0,0 +1 @@
167

46
data/fun.php
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@ -1,10 +1,36 @@
<table width="200" border="0" cellspacing="0" cellpadding="0">
<tr>
<td height="20" align="center" valign="middle" scope="col"><font color='red'>I am red.</font></td>
<td height="20" align="center" valign="middle" scope="col"><font color='green'>I am green.</font></td>
</tr>
<tr>
<td height="20" align="center" valign="middle"><font color='black'>I am black.</font></td>
<td height="20" align="center" valign="middle"><font color='pink'>I am pink. </font></td>
</tr>
</table>
<style>
.red-text {
color: red;
}
.green-text {
color: green;
}
.black-text {
color: black;
}
.pink-text {
color: pink;
}
.table-style {
width: 200px;
border: 0;
border-spacing: 0;
border-collapse: collapse;
}
.cell-style {
height: 20px;
text-align: center;
vertical-align: middle;
}
</style>
<table class="table-style">
<tr>
<td class="cell-style"><span class="red-text">I am red.</span></td>
<td class="cell-style"><span class="green-text">I am green.</span></td>
</tr>
<tr>
<td class="cell-style"><span class="black-text">I am black.</span></td>
<td class="cell-style"><span class="pink-text">I am pink.</span></td>
</tr>
</table>

4
data/read_test_file
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@ -0,0 +1,4 @@
hello world
你好世界
test
123456